HM Digital Pen style TDS/EC/Temp meterCOM 80: EC TDS HydroTester Series The COM 80 is easily the most advanced economically priced, reliable EC TDS meter on the market. With its versatility and durability, it is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Features Measures electrical conductivity (EC), total dissolved solids (TDS). Excellent for nutrient testing Four scales: EC: S, mS; TDS:

5" Cubes w/ Shrinkwrap

- UL recognized components

TAKE A DEEP BREATH AND BLOW IT UP

This product is the perfect base tool for a top feeder or someone who enjoys the benefits of a drip system and likes the results of a top feed

The DARK ROOM is specially lined with 95% reflective hammered effect mylar fabric (210D)

The higher the numbers the more product is in the bottle

our filters will purify the air and eliminate any odors

UPGRADED: Includes a translucent cap

and integrated it into our patented GX Series bracketing system

almost every growing system and required substrate volume per crop

5V button cell batteries (LR44 or equivalent is included)

Fully soluble